DE69918891T2 - Vorgeformtes Schneidelement - Google Patents
Vorgeformtes Schneidelement Download PDFInfo
- Publication number
- DE69918891T2 DE69918891T2 DE69918891T DE69918891T DE69918891T2 DE 69918891 T2 DE69918891 T2 DE 69918891T2 DE 69918891 T DE69918891 T DE 69918891T DE 69918891 T DE69918891 T DE 69918891T DE 69918891 T2 DE69918891 T2 DE 69918891T2
- Authority
- DE
- Germany
- Prior art keywords
- projection
- preform
- carrier
- plate
- element according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims 1
- 229910003460 diamond Inorganic materials 0.000 description 38
- 239000010432 diamond Substances 0.000 description 38
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 12
- 229910017052 cobalt Inorganic materials 0.000 description 11
- 239000010941 cobalt Substances 0.000 description 11
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
- E21B10/5735—Interface between the substrate and the cutting element
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9809690.2A GB9809690D0 (en) | 1998-05-08 | 1998-05-08 | Improvements in elements faced with superhard material |
| GB9809690 | 1998-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69918891D1 DE69918891D1 (de) | 2004-09-02 |
| DE69918891T2 true DE69918891T2 (de) | 2005-08-04 |
Family
ID=10831554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69918891T Expired - Fee Related DE69918891T2 (de) | 1998-05-08 | 1999-05-04 | Vorgeformtes Schneidelement |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0955446B1 (fr) |
| DE (1) | DE69918891T2 (fr) |
| GB (2) | GB9809690D0 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9911139D0 (en) * | 1999-05-14 | 1999-07-14 | Camco Int Uk Ltd | Preform cutting elemenys for rotary drill bits |
| US6604588B2 (en) | 2001-09-28 | 2003-08-12 | Smith International, Inc. | Gage trimmers and bit incorporating the same |
| US7757793B2 (en) | 2005-11-01 | 2010-07-20 | Smith International, Inc. | Thermally stable polycrystalline ultra-hard constructions |
| US9217296B2 (en) | 2008-01-09 | 2015-12-22 | Smith International, Inc. | Polycrystalline ultra-hard constructions with multiple support members |
| US7909121B2 (en) | 2008-01-09 | 2011-03-22 | Smith International, Inc. | Polycrystalline ultra-hard compact constructions |
| GB2479844B (en) | 2009-01-29 | 2013-06-19 | Smith International | Brazing methods for PDC cutters |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4784023A (en) | 1985-12-05 | 1988-11-15 | Diamant Boart-Stratabit (Usa) Inc. | Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same |
| US4811801A (en) * | 1988-03-16 | 1989-03-14 | Smith International, Inc. | Rock bits and inserts therefor |
| US5120327A (en) | 1991-03-05 | 1992-06-09 | Diamant-Boart Stratabit (Usa) Inc. | Cutting composite formed of cemented carbide substrate and diamond layer |
| GB2283772B (en) | 1993-11-10 | 1997-01-15 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
| GB2308144B (en) | 1993-11-10 | 1998-02-25 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
| US5435403A (en) * | 1993-12-09 | 1995-07-25 | Baker Hughes Incorporated | Cutting elements with enhanced stiffness and arrangements thereof on earth boring drill bits |
| ZA954736B (en) * | 1994-06-16 | 1996-01-26 | De Beers Ind Diamond | Tool component |
| GB9412247D0 (en) | 1994-06-18 | 1994-08-10 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
| GB9506079D0 (en) | 1995-03-24 | 1995-05-10 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
| GB9508226D0 (en) | 1995-04-22 | 1995-06-07 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
| EP0764760B1 (fr) | 1995-09-23 | 2001-02-21 | Camco Drilling Group Limited | Insert de coupe pour trépan racleur |
| US5706906A (en) * | 1996-02-15 | 1998-01-13 | Baker Hughes Incorporated | Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped |
| GB9701695D0 (en) * | 1997-01-28 | 1997-03-19 | De Beers Ind Diamond | Insert for an abrasive tool |
| US5887580A (en) * | 1998-03-25 | 1999-03-30 | Smith International, Inc. | Cutting element with interlocking feature |
-
1998
- 1998-05-08 GB GBGB9809690.2A patent/GB9809690D0/en not_active Ceased
-
1999
- 1999-05-04 EP EP19990303483 patent/EP0955446B1/fr not_active Expired - Lifetime
- 1999-05-04 DE DE69918891T patent/DE69918891T2/de not_active Expired - Fee Related
- 1999-05-05 GB GB9910223A patent/GB2337063A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0955446B1 (fr) | 2004-07-28 |
| GB9910223D0 (en) | 1999-06-30 |
| EP0955446A2 (fr) | 1999-11-10 |
| EP0955446A3 (fr) | 2000-08-16 |
| GB2337063A (en) | 1999-11-10 |
| GB9809690D0 (en) | 1998-07-01 |
| DE69918891D1 (de) | 2004-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |